Bip39 dart https://zenwriting.net/keenanctdp/how-to-create-a-bip39-seed-a-step-by-step-guide While it works by using BIP32 strategy you could however import BIP39 seeds into Electrum wallet. Also aside from BIp32 there is BIP44 Model which some wallet use for that generation of seeds. Some wallets can import several seed phrases and several only have one standard. Remember https://bookmarktiger.com/story20739339/bip39-words-not-known-details-about-bip39-word-list-txt-https-x-com-tundra838554